320 lines
12 KiB
C++
320 lines
12 KiB
C++
/*
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* Copyright 2019 AT&T Intellectual Property
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* Copyright 2019 Nokia
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This source code is part of the near-RT RIC (RAN Intelligent Controller)
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* platform project (RICP).
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*/
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//
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// Created by adi on 6/11/19.
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//
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#include <mdclog/mdclog.h>
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#include "asn1cFiles/E2AP-PDU.h"
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#include "asn1cFiles/InitiatingMessage.h"
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#include <iostream>
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#include <cstdio>
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#include <cctype>
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#include <cstring>
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#include <unistd.h>
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#include <pthread.h>
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#include <rmr/rmr.h>
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#include <rmr/RIC_message_types.h>
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#include "logInit.h"
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// test X2SetUP request and response
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using namespace std;
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#define MAXEVENTS 64
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int main(const int argc, char **argv) {
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mdclog_severity_t loglevel = MDCLOG_INFO;
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auto buff = new string("SETUP TEST");
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init_log((char *)buff->c_str());
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mdclog_level_set(loglevel);
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if (argc < 9){
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mdclog_mdc_add("app", argv[0]);
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mdclog_write(MDCLOG_ERR, "Usage host <host address> port <sctpPort> ran <ran name> rmr <rmr address> [logLevel <debug/warning/info/error]");
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return -1 ;
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}
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char host[256] {0};
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char port [10] {0};
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char ranName[256] {0};
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char rmrAddress[256] {0};
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char str1[128];
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for (int i = 1; i < argc; i += 2) {
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for (int j = 0; j < strlen(argv[i]); j++) {
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str1[j] = (char)tolower(argv[i][j]);
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}
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str1[strlen(argv[i])] = 0;
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if (strcmp("host", str1) == 0) {
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strcpy(host, argv[i + 1]);
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} else if (strcmp("port", str1) == 0) {
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strcpy(port, argv[i + 1]);
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} else if (strcmp("ran", str1) == 0) {
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strcpy(ranName, argv[i + 1]);
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} else if (strcmp("rmr", str1) == 0) {
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strcpy(ranName, argv[i + 1]);
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}else if (strcmp("loglevel", str1) == 0) {
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if (strcmp("debug", argv[i + 1]) == 0) {
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loglevel = MDCLOG_DEBUG;
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} else if (strcmp("info", argv[i + 1]) == 0) {
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loglevel = MDCLOG_INFO;
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} else if (strcmp("warning", argv[i + 1]) == 0) {
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loglevel = MDCLOG_WARN;
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} else if (strcmp("error", argv[i + 1]) == 0) {
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loglevel = MDCLOG_ERR;
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}
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}
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}
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void *rmrCtx = rmr_init(rmrAddress, RMR_MAX_RCV_BYTES, RMRFL_NONE);
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if (rmrCtx == nullptr ) {
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mdclog_write(MDCLOG_ERR, "RMR failed to initialise : %s", strerror(errno));
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return(-1);
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}
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// get the RMR fd for the epoll
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auto rmrListenFd = rmr_get_rcvfd(rmrCtx);
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auto epoll_fd = epoll_create1(0);
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if (epoll_fd == -1) {
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mdclog_write(MDCLOG_ERR,"failed to open epoll descriptor");
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rmr_close(rmrCtx);
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return -2;
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}
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struct epoll_event event {};
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event.events = EPOLLIN;
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event.data.fd = rmrListenFd;
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// add listening sctpPort to epoll
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if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, rmrListenFd, &event)) {
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mdclog_write(MDCLOG_ERR, "Failed to add RMR descriptor to epoll");
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close(rmrListenFd);
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rmr_close(rmrCtx);
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return -3;
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}
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// we need to find that routing table exist and we can run
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if (mdclog_level_get() >= MDCLOG_INFO) {
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mdclog_write(MDCLOG_INFO, "We are after RMR INIT wait for RMR_Ready");
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}
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int rmrReady = 0;
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int count = 0;
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while (!rmrReady) {
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if ((rmrReady = rmr_ready(rmrCtx)) == 0) {
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sleep(1);
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}
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count++;
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if (count % 60 == 0) {
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mdclog_write(MDCLOG_INFO, "waiting to RMR ready state for %d seconds", count);
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}
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if (count > 180) {
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mdclog_write(MDCLOG_ERR, "RMR not ready tried for 3 minutes ");
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return(-2);
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}
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}
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if (mdclog_level_get() >= MDCLOG_INFO) {
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mdclog_write(MDCLOG_INFO, "RMR running");
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}
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E2AP_PDU_t pdu {};
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auto &initiatingMsg = pdu.select_initiatingMessage();
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initiatingMsg.ref_procedureCode().select_id_x2Setup();
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initiatingMsg.ref_criticality().select_id_x2Setup();
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auto &x2setup = initiatingMsg.ref_value().select_id_x2Setup();
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auto &ies = x2setup.ref_protocolIEs();
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X2SetupRequest::protocolIEs_t::value_type val {};
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val.ref_id().select_id_GlobalENB_ID();
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val.ref_criticality().select_id_GlobalENB_ID();
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uint8_t v1[] = {0x02, 0xf8, 0x29};
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val.ref_value().select_id_GlobalENB_ID().ref_pLMN_Identity().set(3, v1);
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uint32_t eNBId = 5;
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val.ref_value().select_id_GlobalENB_ID().ref_eNB_ID().select_macro_eNB_ID().set_buffer(20,reinterpret_cast<uint8_t*>(&eNBId));
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ies.push_back(val);
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X2SetupRequest::protocolIEs_t::value_type sc {};
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ies.push_back(sc);
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sc.ref_id().select_id_ServedCells();
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sc.ref_criticality().select_id_ServedCells();
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ServedCells::value_type sce;
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sc.ref_value().select_id_ServedCells().push_back(sce);
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sce.ref_servedCellInfo().ref_pCI().set(0x1F7);
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uint8_t v3[] = {0x1, 0x2};
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sce.ref_servedCellInfo().ref_tAC().set(2,v3);
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sce.ref_servedCellInfo().ref_cellId().ref_pLMN_Identity().set(3, v1);
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uint8_t v4[] = {0x00, 0x07, 0xab, ((unsigned)0x50) >> (unsigned)4};
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sce.ref_servedCellInfo().ref_cellId().ref_eUTRANcellIdentifier().set_buffer(28, v4);
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BroadcastPLMNs_Item::value_type bpe;
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sce.ref_servedCellInfo().ref_broadcastPLMNs().push_back(bpe);
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bpe.set(3, v1);
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sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_uL_EARFCN().set(0x1);
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sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_dL_EARFCN().set(0x1);
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sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_uL_Transmission_Bandwidth().set(Transmission_Bandwidth::bw50);
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sce.ref_servedCellInfo().ref_eUTRA_Mode_Info().select_fDD().ref_dL_Transmission_Bandwidth().set(Transmission_Bandwidth::bw50);
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unsigned char s_buffer[4096];
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asn::per::EncoderCtx ctx{s_buffer, sizeof(s_buffer)};
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std::cout << asn::get_printed(pdu) << std::endl;
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if (!asn::per::pack(pdu, ctx)) {
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std::cout << ctx.refErrorCtx().toString() << std::endl;
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return -3;
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}
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size_t packed_buf_size;
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packed_buf_size = static_cast<size_t>(ctx.refBuffer().getBytesUsed());
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// build message
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char data[4096] {};
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//auto delimiter = (const char) '|';
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sprintf(data, "%s|%s|%s|%d|%s/0", host, port, ranName, (int)packed_buf_size, ctx.refBuffer().getBytes(packed_buf_size));
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rmr_mbuf_t *msg = rmr_alloc_msg(rmrCtx, int(strlen(data)));
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rmr_bytes2meid(msg, (unsigned char const*)ranName, strlen(ranName));
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rmr_bytes2payload(msg, (unsigned char const*)data, strlen(data));
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rmr_bytes2xact(msg, (unsigned char const*)ranName, strlen(ranName));
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msg->mtype = RIC_X2_SETUP_REQ;
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msg->state = 0;
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msg = rmr_send_msg(rmrCtx, msg);
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if (msg->state != 0) {
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mdclog_write(MDCLOG_ERR, "Message state %d while sending RIC_X2_SETUP to %s", msg->state, ranName);
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rmr_free_msg(msg);
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rmr_close(rmrCtx);
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return -4;
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}
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rmr_free_msg(msg);
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unsigned char allocBuffer[64*1024] {0};
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auto *events = (struct epoll_event *)calloc(MAXEVENTS, sizeof(event));
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while (true) {
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auto numOfEvents = epoll_wait(epoll_fd, events, MAXEVENTS, -1);
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if (numOfEvents < 0) {
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mdclog_write(MDCLOG_ERR, "Epoll wait failed, errno = %s", strerror(errno));
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rmr_close(rmrCtx);
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return -4;
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}
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for (auto i = 0; i < numOfEvents; i++) {
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if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP) || (!(events[i].events & EPOLLIN))) {
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mdclog_write(MDCLOG_ERR, "epoll error");
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} else if (rmrListenFd == events[i].data.fd) {
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msg = rmr_alloc_msg(rmrCtx, 4096);
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if (msg == nullptr) {
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mdclog_write(MDCLOG_ERR, "RMR Allocation message, %s", strerror(errno));
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rmr_close(rmrCtx);
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return -5;
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}
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msg = rmr_rcv_msg(rmrCtx, msg);
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if (msg == nullptr) {
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mdclog_write(MDCLOG_ERR, "RMR Receving message, %s", strerror(errno));
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rmr_close(rmrCtx);
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return -6;
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}
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memset(allocBuffer, 0, 64*1024);
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switch (msg->mtype) {
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case RIC_X2_SETUP_RESP: {
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mdclog_write(MDCLOG_INFO, "successful, RMR receiveing RIC_X2_SETUP_RESP");
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asn::per::DecoderCtx dCtx{msg->payload, (size_t) msg->len, allocBuffer, sizeof(allocBuffer)};
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E2AP_PDU opdu;
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if (!asn::per::unpack(opdu, dCtx)) {
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mdclog_write(MDCLOG_ERR, "Failed to unpack ASN message, %s", dCtx.refErrorCtx().toString());
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rmr_free_msg(msg);
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rmr_close(rmrCtx);
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return -7;
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}
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break;
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}
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case RIC_X2_SETUP_FAILURE: {
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mdclog_write(MDCLOG_INFO, "successful, RMR receiveing RIC_X2_SETUP_FAILURE");
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asn::per::DecoderCtx dCtx{msg->payload, (size_t) msg->len, allocBuffer, sizeof(allocBuffer)};
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E2AP_PDU opdu;
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if (!asn::per::unpack(opdu, dCtx)) {
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mdclog_write(MDCLOG_ERR, "Failed to unpack ASN message, %s", dCtx.refErrorCtx().toString());
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rmr_free_msg(msg);
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rmr_close(rmrCtx);
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return -7;
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}
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break;
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}
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default: {
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mdclog_write(MDCLOG_INFO, "RMR receiveing message type %d", msg->mtype);
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asn::per::DecoderCtx dCtx{msg->payload, (size_t) msg->len, allocBuffer, sizeof(allocBuffer)};
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E2AP_PDU opdu;
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if (!asn::per::unpack(opdu, dCtx)) {
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mdclog_write(MDCLOG_ERR, "Failed to unpack ASN message, %s", dCtx.refErrorCtx().toString());
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rmr_close(rmrCtx);
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return -7;
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}
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switch (opdu.get_index()) {
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case 1: { //initiating message
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mdclog_write(MDCLOG_INFO, "ASN initiating message type %ld",
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opdu.get_initiatingMessage()->ref_procedureCode().ref_value().get());
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break;
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}
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case 2: { //successful message
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mdclog_write(MDCLOG_INFO, "ASN initiating message type %ld",
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opdu.get_successfulOutcome()->ref_procedureCode().ref_value().get());
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break;
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}
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case 3: { //unsuccessesful message
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mdclog_write(MDCLOG_INFO, "ASN initiating message type %ld",
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opdu.get_unsuccessfulOutcome()->ref_procedureCode().ref_value().get());
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break;
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}
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}
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mdclog_write(MDCLOG_INFO, "RMR receiveing message from E2 terminator, %d",
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msg->mtype);
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break;
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}
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}
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}
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}
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}
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} |